Imagery because it makes it visual in a way.
House was jammed again that night, and we sold this crowd the same way. When me and the king and the duke got home to the raft we all had a supper; and by and by, about midnight, they made Jim and me back her out and float her down the middle of the river, and fetch her in and hide her about two mile below town.
If you need to write an essay about hot air ballooning, and you know you've seen a good book on this topic, but you can't remember the name of the book or the author, the easiest way for you to find this book in the library is to locate the subject card for the book in the card catalog.